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8th grade NOS SCIENC
8th grade NOS test study guide
Term | Definition |
---|---|
Science | Science is the process of studying nature and gaining knowledge about the world. |
Observation | What a scientist does to help them make a hypothesis or collect data during an experiment. |
Prediction | A statement of what will happen next in a sequence of events. |
Inference | A logical explanation of an observation that is drawn from prior knowledge or experience. |
Hypothesis | The hypothesis is an educated guess. Must always be written in the correct format, "If IV then DV" |
Critical Thinking | Comparing what you already know with information you are given in order to decide whether you agree with it. |
Scientific Law | A rule that describes a pattern in nature. |
Scientific Theory | An explanation of observations or events that is based on knowledge gained from many observations and investigations. |
Technology | A practical use of scientific knowledge, especially for industrial or commercial use. |
Independent Variable | The independent variable is the part of the experiment that is being tested or the part that is changed by the person doing the experiment. |
Dependent Variable | The dependent variable is the part of the experiment that is affected by the independent variable. |
Control Group | The control is part of an experiment that is not being tested and is used for comparison. |
Constants | ALL things that stay the same during an experiment. |
Experimental Group | The part of the controlled experiment used to study relationships among variables. |
Thermometer Triple Beam Balance | A tool used to measure temperature. UNIT: degrees F and degrees C. |
Triple Beam Balance | A tool used to measure the mass of an object. UNIT: grams |
Graduated Cylinder | A tool used to measure volumes. UNIT: mL |
Results | An explanation share to a specific group of persons, your result of the date collected during an experiment. |
Conclusion | After an experiment, scientist write a conclusion which summarizes their experiment and results. |
Problem | Must be a testable question. |
Procedure | The procedure describes the steps you use during an experiment. |